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   <div id="projectname">Reranker Framework (ReFr)
   
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   <div id="projectbrief">Reranking framework for structure prediction and discriminative language modeling</div>
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<div class="title">piped-model-evaluator.C</div>  </div>
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<a href="piped-model-evaluator_8_c.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// Copyright 2012, Google Inc.</span>
<a name="l00002"></a>00002 <span class="comment">// All rights reserved.</span>
<a name="l00003"></a>00003 <span class="comment">// </span>
<a name="l00004"></a>00004 <span class="comment">// Redistribution and use in source and binary forms, with or without</span>
<a name="l00005"></a>00005 <span class="comment">// modification, are permitted provided that the following conditions are</span>
<a name="l00006"></a>00006 <span class="comment">// met:</span>
<a name="l00007"></a>00007 <span class="comment">// </span>
<a name="l00008"></a>00008 <span class="comment">//   * Redistributions of source code must retain the above copyright</span>
<a name="l00009"></a>00009 <span class="comment">//     notice, this list of conditions and the following disclaimer.</span>
<a name="l00010"></a>00010 <span class="comment">//   * Redistributions in binary form must reproduce the above</span>
<a name="l00011"></a>00011 <span class="comment">//     copyright notice, this list of conditions and the following disclaimer</span>
<a name="l00012"></a>00012 <span class="comment">//     in the documentation and/or other materials provided with the</span>
<a name="l00013"></a>00013 <span class="comment">//     distribution.</span>
<a name="l00014"></a>00014 <span class="comment">//   * Neither the name of Google Inc. nor the names of its</span>
<a name="l00015"></a>00015 <span class="comment">//     contributors may be used to endorse or promote products derived from</span>
<a name="l00016"></a>00016 <span class="comment">//     this software without specific prior written permission.</span>
<a name="l00017"></a>00017 <span class="comment">//</span>
<a name="l00018"></a>00018 <span class="comment">// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS</span>
<a name="l00019"></a>00019 <span class="comment">// &quot;AS IS&quot; AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT</span>
<a name="l00020"></a>00020 <span class="comment">// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR</span>
<a name="l00021"></a>00021 <span class="comment">// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT</span>
<a name="l00022"></a>00022 <span class="comment">// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,</span>
<a name="l00023"></a>00023 <span class="comment">// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT</span>
<a name="l00024"></a>00024 <span class="comment">// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,           </span>
<a name="l00025"></a>00025 <span class="comment">// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY           </span>
<a name="l00026"></a>00026 <span class="comment">// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT</span>
<a name="l00027"></a>00027 <span class="comment">// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE</span>
<a name="l00028"></a>00028 <span class="comment">// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.</span>
<a name="l00029"></a>00029 <span class="comment">// -----------------------------------------------------------------------------</span>
<a name="l00030"></a>00030 <span class="comment">//</span>
<a name="l00031"></a>00031 <span class="comment">//</span>
<a name="l00037"></a>00037 <span class="comment"></span>
<a name="l00038"></a>00038 <span class="preprocessor">#include &lt;iostream&gt;</span>
<a name="l00039"></a>00039 <span class="preprocessor">#include &lt;fstream&gt;</span>
<a name="l00040"></a>00040 <span class="preprocessor">#include &lt;string&gt;</span>
<a name="l00041"></a>00041 <span class="preprocessor">#include &lt;tr1/memory&gt;</span>
<a name="l00042"></a>00042 
<a name="l00043"></a>00043 <span class="preprocessor">#include &quot;<a class="code" href="candidate-set-iterator_8_h.html" title="Provides an interface and some implementations for iterating over CandidateSet  instances.">candidate-set-iterator.H</a>&quot;</span>
<a name="l00044"></a>00044 <span class="preprocessor">#include &quot;<a class="code" href="candidate-set-reader_8_h.html" title="Class for reading streams of training or test instances, where each training or test instance is a re...">candidate-set-reader.H</a>&quot;</span>
<a name="l00045"></a>00045 <span class="preprocessor">#include &quot;<a class="code" href="model_8_h.html" title="Reranker model interface.">model.H</a>&quot;</span>
<a name="l00046"></a>00046 <span class="preprocessor">#include &quot;<a class="code" href="model-reader_8_h.html" title="Provides the ModelReader  class, which can create Model  instances from a file.">model-reader.H</a>&quot;</span>
<a name="l00047"></a>00047 
<a name="l00048"></a><a class="code" href="piped-model-evaluator_8_c.html#ad72dbcf6d0153db1b8d8a58001feed83">00048</a> <span class="preprocessor">#define DEBUG 0</span>
<a name="l00049"></a>00049 <span class="preprocessor"></span>
<a name="l00050"></a><a class="code" href="piped-model-evaluator_8_c.html#a44493dbd21a529ec6fdb2da73a35ac70">00050</a> <span class="preprocessor">#define PROG_NAME &quot;piped-model-evaluator&quot;</span>
<a name="l00051"></a>00051 <span class="preprocessor"></span>
<a name="l00052"></a><a class="code" href="piped-model-evaluator_8_c.html#a532f75d7ae60075d58f59fee8b4ccfaa">00052</a> <span class="preprocessor">#define DEFAULT_MAX_EXAMPLES -1</span>
<a name="l00053"></a><a class="code" href="piped-model-evaluator_8_c.html#a9d6fb0cd899c98a59411c20bf68c3792">00053</a> <span class="preprocessor"></span><span class="preprocessor">#define DEFAULT_MAX_CANDIDATES -1</span>
<a name="l00054"></a><a class="code" href="piped-model-evaluator_8_c.html#ab69236cfb1640d72af7bc485b4a48f7c">00054</a> <span class="preprocessor"></span><span class="preprocessor">#define DEFAULT_REPORTING_INTERVAL 1000</span>
<a name="l00055"></a><a class="code" href="piped-model-evaluator_8_c.html#aff42509eec1e3179a39054b367fc994d">00055</a> <span class="preprocessor"></span><span class="preprocessor">#define DEFAULT_USE_WEIGHTED_LOSS true</span>
<a name="l00056"></a>00056 <span class="preprocessor"></span>
<a name="l00057"></a>00057 <span class="comment">// We use two levels of macros to get the string version of an int constant.</span>
<a name="l00060"></a><a class="code" href="piped-model-evaluator_8_c.html#afc0fe0597af089c04afb9bc5a6475705">00060</a> <span class="comment"></span><span class="preprocessor">#define XSTR(arg) STR(arg)</span>
<a name="l00061"></a>00061 <span class="preprocessor"></span>
<a name="l00062"></a><a class="code" href="piped-model-evaluator_8_c.html#a878d88fe9bab9d7372961ce77b00fa26">00062</a> <span class="preprocessor">#define STR(arg) #arg</span>
<a name="l00063"></a>00063 <span class="preprocessor"></span>
<a name="l00064"></a>00064 <span class="keyword">using namespace </span>std;
<a name="l00065"></a>00065 <span class="keyword">using namespace </span>std::tr1;
<a name="l00066"></a>00066 <span class="keyword">using namespace </span>reranker;
<a name="l00067"></a>00067 
<a name="l00068"></a><a class="code" href="piped-model-evaluator_8_c.html#ab14fc1012197db1b38cabd8b431160b7">00068</a> <span class="keyword">const</span> <span class="keywordtype">char</span> *<a class="code" href="compile-features_8_c.html#ab14fc1012197db1b38cabd8b431160b7">usage_msg</a>[] = {
<a name="l00069"></a>00069   <span class="stringliteral">&quot;Usage:\n&quot;</span>,
<a name="l00070"></a>00070   <a class="code" href="piped-model-evaluator_8_c.html#a44493dbd21a529ec6fdb2da73a35ac70">PROG_NAME</a> <span class="stringliteral">&quot; -d|--devtest &lt;devtest input file&gt;+\n&quot;</span>,
<a name="l00071"></a>00071   <span class="stringliteral">&quot;\t[--dev-config &lt;devtest feature extractor config file&gt;]\n&quot;</span>,
<a name="l00072"></a>00072   <span class="stringliteral">&quot;\t[--model-files &lt;file with model filenames&gt;\n&quot;</span>,
<a name="l00073"></a>00073   <span class="stringliteral">&quot;\t[-u] [--no-base64]\n&quot;</span>,
<a name="l00074"></a>00074   <span class="stringliteral">&quot;\t[--max-examples &lt;max num examples&gt;]\n&quot;</span>,
<a name="l00075"></a>00075   <span class="stringliteral">&quot;\t[--max-candidates &lt;max num candidates&gt;]\n&quot;</span>,
<a name="l00076"></a>00076   <span class="stringliteral">&quot;\t[-r &lt;reporting interval&gt;] [ --use-weighted-loss[=][true|false] ]\n&quot;</span>,
<a name="l00077"></a>00077   <span class="stringliteral">&quot;where\n&quot;</span>,
<a name="l00078"></a>00078   <span class="stringliteral">&quot;\t&lt;devtest input file&gt; is the name of a stream of serialized\n&quot;</span>,
<a name="l00079"></a>00079   <span class="stringliteral">&quot;\t\tCandidateSet instances, or \&quot;-\&quot; for input from standard input\n&quot;</span>,
<a name="l00080"></a>00080   <span class="stringliteral">&quot;\t\t(required unless training in mapper mode)\n&quot;</span>,
<a name="l00081"></a>00081   <span class="stringliteral">&quot;\t--model-files specifies the name of a file from which to read model\n&quot;</span>,
<a name="l00082"></a>00082   <span class="stringliteral">&quot;\t\tmodel filenames (use this option for debugging; defaults to stdin)\n&quot;</span>,
<a name="l00083"></a>00083   <span class="stringliteral">&quot;\t-u specifies that the input files are uncompressed\n&quot;</span>,
<a name="l00084"></a>00084   <span class="stringliteral">&quot;\t--no-base64 specifies not to use base64 encoding/decoding\n&quot;</span>,
<a name="l00085"></a>00085   <span class="stringliteral">&quot;\t--max-examples specifies the maximum number of examples to read from\n&quot;</span>,
<a name="l00086"></a>00086   <span class="stringliteral">&quot;\t\tany input file (defaults to &quot;</span> <a class="code" href="piped-model-evaluator_8_c.html#afc0fe0597af089c04afb9bc5a6475705" title="Expands the string value of the specified argument using the STR macro.">XSTR</a>(<a class="code" href="piped-model-evaluator_8_c.html#a532f75d7ae60075d58f59fee8b4ccfaa">DEFAULT_MAX_EXAMPLES</a>) <span class="stringliteral">&quot;)\n&quot;</span>,
<a name="l00087"></a>00087   <span class="stringliteral">&quot;\t--max-candidates specifies the maximum number of candidates to read\n&quot;</span>,
<a name="l00088"></a>00088   <span class="stringliteral">&quot;\t\tfor any candidate set (defaults to &quot;</span> <a class="code" href="piped-model-evaluator_8_c.html#afc0fe0597af089c04afb9bc5a6475705" title="Expands the string value of the specified argument using the STR macro.">XSTR</a>(<a class="code" href="piped-model-evaluator_8_c.html#a9d6fb0cd899c98a59411c20bf68c3792">DEFAULT_MAX_CANDIDATES</a>) <span class="stringliteral">&quot;)\n&quot;</span>,
<a name="l00089"></a>00089   <span class="stringliteral">&quot;\t-r specifies the interval at which the CandidateSetReader reports how\n&quot;</span>,
<a name="l00090"></a>00090   <span class="stringliteral">&quot;\t\tmany candidate sets it has read (defaults to &quot;</span>
<a name="l00091"></a>00091   <a class="code" href="piped-model-evaluator_8_c.html#afc0fe0597af089c04afb9bc5a6475705" title="Expands the string value of the specified argument using the STR macro.">XSTR</a>(<a class="code" href="piped-model-evaluator_8_c.html#ab69236cfb1640d72af7bc485b4a48f7c">DEFAULT_REPORTING_INTERVAL</a>) <span class="stringliteral">&quot;)\n&quot;</span>,
<a name="l00092"></a>00092   <span class="stringliteral">&quot;\t--use-weighted-loss specifies whether to weight losses on devtest\n&quot;</span>,
<a name="l00093"></a>00093   <span class="stringliteral">&quot;\t\texamples by the number of tokens in the reference, where, e.g.,\n&quot;</span>,
<a name="l00094"></a>00094   <span class="stringliteral">&quot;\t\tweighted loss is appropriate for computing WER, but not BLEU\n&quot;</span>,
<a name="l00095"></a>00095   <span class="stringliteral">&quot;\t\t(defaults to &quot;</span> <a class="code" href="piped-model-evaluator_8_c.html#afc0fe0597af089c04afb9bc5a6475705" title="Expands the string value of the specified argument using the STR macro.">XSTR</a>(<a class="code" href="piped-model-evaluator_8_c.html#aff42509eec1e3179a39054b367fc994d">DEFAULT_USE_WEIGHTED_LOSS</a>) <span class="stringliteral">&quot;)\n&quot;</span>
<a name="l00096"></a>00096 };
<a name="l00097"></a>00097 
<a name="l00100"></a><a class="code" href="piped-model-evaluator_8_c.html#a2ef30c42cbc289d899a8be5d2d8f77d0">00100</a> <span class="keywordtype">void</span> <a class="code" href="compile-features_8_c.html#afe55eae96aed06d16232a3b56fcf1ad3" title="Emits usage message to standard output.">usage</a>() {
<a name="l00101"></a>00101   <span class="keywordtype">int</span> usage_msg_len = <span class="keyword">sizeof</span>(<a class="code" href="compile-features_8_c.html#ab14fc1012197db1b38cabd8b431160b7">usage_msg</a>)/<span class="keyword">sizeof</span>(<span class="keyword">const</span> <span class="keywordtype">char</span> *);
<a name="l00102"></a>00102   <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; usage_msg_len; ++i) {
<a name="l00103"></a>00103     cout &lt;&lt; <a class="code" href="compile-features_8_c.html#ab14fc1012197db1b38cabd8b431160b7">usage_msg</a>[i];
<a name="l00104"></a>00104   }
<a name="l00105"></a>00105   cout.flush();
<a name="l00106"></a>00106 }
<a name="l00107"></a>00107 
<a name="l00108"></a><a class="code" href="piped-model-evaluator_8_c.html#a69a0862c537d5d29e5f898d21b069ab4">00108</a> <span class="keywordtype">bool</span> <a class="code" href="compile-features_8_c.html#a69a0862c537d5d29e5f898d21b069ab4">check_for_required_arg</a>(<span class="keywordtype">int</span> argc, <span class="keywordtype">int</span> i, <span class="keywordtype">string</span> err_msg) {
<a name="l00109"></a>00109   <span class="keywordflow">if</span> (i + 1 &gt;= argc) {
<a name="l00110"></a>00110     cerr &lt;&lt; <a class="code" href="piped-model-evaluator_8_c.html#a44493dbd21a529ec6fdb2da73a35ac70">PROG_NAME</a> &lt;&lt; <span class="stringliteral">&quot;: error: &quot;</span> &lt;&lt; err_msg &lt;&lt; endl;
<a name="l00111"></a>00111     <a class="code" href="compile-features_8_c.html#afe55eae96aed06d16232a3b56fcf1ad3" title="Emits usage message to standard output.">usage</a>();
<a name="l00112"></a>00112     <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00113"></a>00113   } <span class="keywordflow">else</span> {
<a name="l00114"></a>00114     <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00115"></a>00115   }
<a name="l00116"></a>00116 }
<a name="l00117"></a>00117 
<a name="l00118"></a>00118 <span class="keywordtype">int</span>
<a name="l00119"></a><a class="code" href="piped-model-evaluator_8_c.html#a3c04138a5bfe5d72780bb7e82a18e627">00119</a> <a class="code" href="candidate-set-proto-reader-test_8_c.html#a3c04138a5bfe5d72780bb7e82a18e627">main</a>(<span class="keywordtype">int</span> argc, <span class="keywordtype">char</span> **argv) {
<a name="l00120"></a>00120   <span class="keywordtype">string</span> model_file;
<a name="l00121"></a>00121   <span class="keywordtype">bool</span> using_model_filenames_file = <span class="keyword">false</span>;
<a name="l00122"></a>00122   <span class="keywordtype">string</span> model_filenames_file;
<a name="l00123"></a>00123   vector&lt;string&gt; devtest_files;
<a name="l00124"></a>00124   <span class="keywordtype">string</span> devtest_feature_extractor_config_file;
<a name="l00125"></a>00125   <span class="keywordtype">bool</span> compressed = <span class="keyword">true</span>;
<a name="l00126"></a>00126   <span class="keywordtype">bool</span> use_base64 = <span class="keyword">true</span>;
<a name="l00127"></a>00127   <span class="keywordtype">bool</span> use_weighted_loss = <a class="code" href="piped-model-evaluator_8_c.html#aff42509eec1e3179a39054b367fc994d">DEFAULT_USE_WEIGHTED_LOSS</a>;
<a name="l00128"></a>00128   <span class="keywordtype">string</span> use_weighted_loss_arg_prefix = <span class="stringliteral">&quot;--use-weighted-loss&quot;</span>;
<a name="l00129"></a>00129   <span class="keywordtype">size_t</span> use_weighted_loss_arg_prefix_len =
<a name="l00130"></a>00130       use_weighted_loss_arg_prefix.length();
<a name="l00131"></a>00131   <span class="keywordtype">int</span> max_examples = <a class="code" href="piped-model-evaluator_8_c.html#a532f75d7ae60075d58f59fee8b4ccfaa">DEFAULT_MAX_EXAMPLES</a>;
<a name="l00132"></a>00132   <span class="keywordtype">int</span> max_candidates = <a class="code" href="piped-model-evaluator_8_c.html#a9d6fb0cd899c98a59411c20bf68c3792">DEFAULT_MAX_CANDIDATES</a>;
<a name="l00133"></a>00133   <span class="keywordtype">int</span> reporting_interval = <a class="code" href="piped-model-evaluator_8_c.html#ab69236cfb1640d72af7bc485b4a48f7c">DEFAULT_REPORTING_INTERVAL</a>;
<a name="l00134"></a>00134 
<a name="l00135"></a>00135   <span class="comment">// Process options.  The majority of code in this file is devoted to this.</span>
<a name="l00136"></a>00136   <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 1; i &lt; argc; ++i) {
<a name="l00137"></a>00137     <span class="keywordtype">string</span> arg = argv[i];
<a name="l00138"></a>00138     <span class="keywordflow">if</span> (arg == <span class="stringliteral">&quot;-d&quot;</span> || arg == <span class="stringliteral">&quot;-devtest&quot;</span> || arg == <span class="stringliteral">&quot;--devtest&quot;</span>) {
<a name="l00139"></a>00139       <span class="keywordtype">string</span> err_msg = string(<span class="stringliteral">&quot;no input files specified with &quot;</span>) + arg;
<a name="l00140"></a>00140       <span class="keywordflow">if</span> (!<a class="code" href="compile-features_8_c.html#a69a0862c537d5d29e5f898d21b069ab4">check_for_required_arg</a>(argc, i, err_msg)) {
<a name="l00141"></a>00141         <span class="keywordflow">return</span> -1;
<a name="l00142"></a>00142       }
<a name="l00143"></a>00143       <span class="comment">// Keep reading args until next option or until no more args.</span>
<a name="l00144"></a>00144       ++i;
<a name="l00145"></a>00145       <span class="keywordflow">for</span> ( ; i &lt; argc; ++i) {
<a name="l00146"></a>00146         <span class="keywordflow">if</span> (argv[i][0] == <span class="charliteral">&#39;-&#39;</span>) {
<a name="l00147"></a>00147           --i;
<a name="l00148"></a>00148           <span class="keywordflow">break</span>;
<a name="l00149"></a>00149         }
<a name="l00150"></a>00150         devtest_files.push_back(argv[i]);
<a name="l00151"></a>00151       }
<a name="l00152"></a>00152     } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg == <span class="stringliteral">&quot;-dev-config&quot;</span> || arg == <span class="stringliteral">&quot;--dev-config&quot;</span>) {
<a name="l00153"></a>00153       <span class="keywordtype">string</span> err_msg =
<a name="l00154"></a>00154           string(<span class="stringliteral">&quot;no feature extractor config file specified with &quot;</span>) + arg;
<a name="l00155"></a>00155       <span class="keywordflow">if</span> (!<a class="code" href="compile-features_8_c.html#a69a0862c537d5d29e5f898d21b069ab4">check_for_required_arg</a>(argc, i, err_msg)) {
<a name="l00156"></a>00156         <span class="keywordflow">return</span> -1;
<a name="l00157"></a>00157       }
<a name="l00158"></a>00158       devtest_feature_extractor_config_file = argv[++i];
<a name="l00159"></a>00159     } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg == <span class="stringliteral">&quot;-model-files&quot;</span> || arg == <span class="stringliteral">&quot;--model-files&quot;</span>) {
<a name="l00160"></a>00160       <span class="keywordtype">string</span> err_msg = string(<span class="stringliteral">&quot;no model filenames file specified with &quot;</span>) + arg;
<a name="l00161"></a>00161       <span class="keywordflow">if</span> (!<a class="code" href="compile-features_8_c.html#a69a0862c537d5d29e5f898d21b069ab4">check_for_required_arg</a>(argc, i, err_msg)) {
<a name="l00162"></a>00162         <span class="keywordflow">return</span> -1;
<a name="l00163"></a>00163       }
<a name="l00164"></a>00164       model_filenames_file = argv[++i];
<a name="l00165"></a>00165       using_model_filenames_file = <span class="keyword">true</span>;
<a name="l00166"></a>00166     } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg == <span class="stringliteral">&quot;-u&quot;</span>) {
<a name="l00167"></a>00167       compressed = <span class="keyword">false</span>;
<a name="l00168"></a>00168     } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg == <span class="stringliteral">&quot;--no-base64&quot;</span>) {
<a name="l00169"></a>00169       use_base64 = <span class="keyword">false</span>;
<a name="l00170"></a>00170     } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg == <span class="stringliteral">&quot;-max-examples&quot;</span> || arg == <span class="stringliteral">&quot;--max-examples&quot;</span>) {
<a name="l00171"></a>00171       <span class="keywordtype">string</span> err_msg = string(<span class="stringliteral">&quot;no arg specified with &quot;</span>) + arg;
<a name="l00172"></a>00172       <span class="keywordflow">if</span> (!<a class="code" href="compile-features_8_c.html#a69a0862c537d5d29e5f898d21b069ab4">check_for_required_arg</a>(argc, i, err_msg)) {
<a name="l00173"></a>00173         <span class="keywordflow">return</span> -1;
<a name="l00174"></a>00174       }
<a name="l00175"></a>00175       max_examples = atoi(argv[++i]);
<a name="l00176"></a>00176     } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg == <span class="stringliteral">&quot;-max-candidates&quot;</span> || arg == <span class="stringliteral">&quot;--max-candidates&quot;</span>) {
<a name="l00177"></a>00177       <span class="keywordtype">string</span> err_msg = string(<span class="stringliteral">&quot;no arg specified with &quot;</span>) + arg;
<a name="l00178"></a>00178       <span class="keywordflow">if</span> (!<a class="code" href="compile-features_8_c.html#a69a0862c537d5d29e5f898d21b069ab4">check_for_required_arg</a>(argc, i, err_msg)) {
<a name="l00179"></a>00179         <span class="keywordflow">return</span> -1;
<a name="l00180"></a>00180       }
<a name="l00181"></a>00181       max_candidates = atoi(argv[++i]);
<a name="l00182"></a>00182     } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg == <span class="stringliteral">&quot;-r&quot;</span>) {
<a name="l00183"></a>00183       <span class="keywordtype">string</span> err_msg = string(<span class="stringliteral">&quot;no arg specified with &quot;</span>) + arg;
<a name="l00184"></a>00184       <span class="keywordflow">if</span> (!<a class="code" href="compile-features_8_c.html#a69a0862c537d5d29e5f898d21b069ab4">check_for_required_arg</a>(argc, i, err_msg)) {
<a name="l00185"></a>00185         <span class="keywordflow">return</span> -1;
<a name="l00186"></a>00186       }
<a name="l00187"></a>00187       reporting_interval = atoi(argv[++i]);
<a name="l00188"></a>00188     } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg.substr(0, use_weighted_loss_arg_prefix_len) ==
<a name="l00189"></a>00189                use_weighted_loss_arg_prefix) {
<a name="l00190"></a>00190       <span class="keywordtype">string</span> use_weighted_loss_str;
<a name="l00191"></a>00191       <span class="keywordflow">if</span> (arg.length() &gt; use_weighted_loss_arg_prefix_len &amp;&amp;
<a name="l00192"></a>00192           arg[use_weighted_loss_arg_prefix_len] == <span class="charliteral">&#39;=&#39;</span>) {
<a name="l00193"></a>00193         use_weighted_loss_str =
<a name="l00194"></a>00194             arg.substr(use_weighted_loss_arg_prefix_len + 1);
<a name="l00195"></a>00195       } <span class="keywordflow">else</span> {
<a name="l00196"></a>00196         <span class="keywordtype">string</span> err_msg =
<a name="l00197"></a>00197             string(<span class="stringliteral">&quot;no \&quot;true\&quot; or \&quot;false\&quot; arg specified with &quot;</span>) + arg;
<a name="l00198"></a>00198         <span class="keywordflow">if</span> (!<a class="code" href="compile-features_8_c.html#a69a0862c537d5d29e5f898d21b069ab4">check_for_required_arg</a>(argc, i, err_msg)) {
<a name="l00199"></a>00199           <span class="keywordflow">return</span> -1;
<a name="l00200"></a>00200         }
<a name="l00201"></a>00201         use_weighted_loss_str = argv[++i];
<a name="l00202"></a>00202       }
<a name="l00203"></a>00203       <span class="keywordflow">if</span> (use_weighted_loss_str != <span class="stringliteral">&quot;true&quot;</span> &amp;&amp;
<a name="l00204"></a>00204           use_weighted_loss_str != <span class="stringliteral">&quot;false&quot;</span>) {
<a name="l00205"></a>00205         cerr &lt;&lt; <a class="code" href="piped-model-evaluator_8_c.html#a44493dbd21a529ec6fdb2da73a35ac70">PROG_NAME</a> &lt;&lt; <span class="stringliteral">&quot;: error: must specify \&quot;true\&quot; or \&quot;false\&quot;&quot;</span>
<a name="l00206"></a>00206              &lt;&lt; <span class="stringliteral">&quot; with --use-weighted-loss&quot;</span> &lt;&lt; endl;
<a name="l00207"></a>00207         <a class="code" href="compile-features_8_c.html#afe55eae96aed06d16232a3b56fcf1ad3" title="Emits usage message to standard output.">usage</a>();
<a name="l00208"></a>00208         <span class="keywordflow">return</span> -1;
<a name="l00209"></a>00209       }
<a name="l00210"></a>00210       <span class="keywordflow">if</span> (use_weighted_loss_str != <span class="stringliteral">&quot;true&quot;</span>) {
<a name="l00211"></a>00211         use_weighted_loss = <span class="keyword">false</span>;
<a name="l00212"></a>00212       }
<a name="l00213"></a>00213     } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg.size() &gt; 0 &amp;&amp; arg[0] == <span class="charliteral">&#39;-&#39;</span>) {
<a name="l00214"></a>00214       cerr &lt;&lt; <a class="code" href="piped-model-evaluator_8_c.html#a44493dbd21a529ec6fdb2da73a35ac70">PROG_NAME</a> &lt;&lt; <span class="stringliteral">&quot;: error: unrecognized option: &quot;</span> &lt;&lt; arg &lt;&lt; endl;
<a name="l00215"></a>00215       <a class="code" href="compile-features_8_c.html#afe55eae96aed06d16232a3b56fcf1ad3" title="Emits usage message to standard output.">usage</a>();
<a name="l00216"></a>00216       <span class="keywordflow">return</span> -1;
<a name="l00217"></a>00217     }
<a name="l00218"></a>00218   }
<a name="l00219"></a>00219 
<a name="l00220"></a>00220   <span class="keywordflow">if</span> (devtest_files.size() == 0) {
<a name="l00221"></a>00221     cerr &lt;&lt; <a class="code" href="piped-model-evaluator_8_c.html#a44493dbd21a529ec6fdb2da73a35ac70">PROG_NAME</a> &lt;&lt; <span class="stringliteral">&quot;: error: must specify devtest input files when &quot;</span>
<a name="l00222"></a>00222          &lt;&lt; <span class="stringliteral">&quot;not in mapper mode&quot;</span> &lt;&lt; endl;
<a name="l00223"></a>00223     <a class="code" href="compile-features_8_c.html#afe55eae96aed06d16232a3b56fcf1ad3" title="Emits usage message to standard output.">usage</a>();
<a name="l00224"></a>00224     <span class="keywordflow">return</span> -1;
<a name="l00225"></a>00225   }
<a name="l00226"></a>00226 
<a name="l00227"></a>00227   <a class="code" href="classreranker_1_1_executive_feature_extractor.html" title="This class is like a regular FeatureExtractor, but has been promoted to the executive level and thus ...">ExecutiveFeatureExtractor</a> devtest_efe;
<a name="l00228"></a>00228   <span class="keywordflow">if</span> (devtest_feature_extractor_config_file != <span class="stringliteral">&quot;&quot;</span>) {
<a name="l00229"></a>00229     devtest_efe.<a class="code" href="classreranker_1_1_executive_feature_extractor.html#ab970de3165f9979a995011c520b0813f" title="Initializes this instance from the feature extractor specifications in the specified file...">Init</a>(devtest_feature_extractor_config_file);
<a name="l00230"></a>00230   }
<a name="l00231"></a>00231 
<a name="l00232"></a>00232   <a class="code" href="classreranker_1_1_candidate_set_reader.html" title="A class for reading streams of training or test instances, where each training or test instance is a ...">CandidateSetReader</a> csr(max_examples, max_candidates, reporting_interval);
<a name="l00233"></a>00233   csr.<a class="code" href="classreranker_1_1_candidate_set_reader.html#a46df40e5ad98bdee0bb0a552512349d5" title="Sets the verbosity of this reader (mostly for debugging purposes).">set_verbosity</a>(1);
<a name="l00234"></a>00234   <span class="keywordtype">bool</span> reset_counters = <span class="keyword">true</span>;
<a name="l00235"></a>00235 
<a name="l00236"></a>00236   cerr &lt;&lt; <span class="stringliteral">&quot;Reading devtest examples.&quot;</span> &lt;&lt; endl;
<a name="l00237"></a>00237 
<a name="l00238"></a>00238   vector&lt;shared_ptr&lt;CandidateSet&gt; &gt; devtest_examples;
<a name="l00239"></a>00239   <span class="keywordflow">for</span> (vector&lt;string&gt;::const_iterator file_it = devtest_files.begin();
<a name="l00240"></a>00240        file_it != devtest_files.end();
<a name="l00241"></a>00241        ++file_it) {
<a name="l00242"></a>00242     csr.<a class="code" href="classreranker_1_1_candidate_set_reader.html#afa8d2312498eb123c00796dbc2dd087a" title="Reads a stream of CandidateSet instances from the specified file or from standard input...">Read</a>(*file_it, compressed, use_base64, reset_counters,
<a name="l00243"></a>00243              devtest_examples);
<a name="l00244"></a>00244   }
<a name="l00245"></a>00245   <span class="comment">// Extract features for CandidateSet instances in situ.</span>
<a name="l00246"></a>00246   <span class="keywordflow">for</span> (vector&lt;shared_ptr&lt;CandidateSet&gt; &gt;::iterator it =
<a name="l00247"></a>00247            devtest_examples.begin();
<a name="l00248"></a>00248        it != devtest_examples.end();
<a name="l00249"></a>00249        ++it) {
<a name="l00250"></a>00250     devtest_efe.<a class="code" href="classreranker_1_1_executive_feature_extractor.html#ae825fd69b80d636cb12d95e39a1c3e20" title="Extracts features for the specified CandidateSet using the suite of FeatureExtractor instances specif...">Extract</a>(*(*it));
<a name="l00251"></a>00251   }
<a name="l00252"></a>00252 
<a name="l00253"></a>00253   cerr &lt;&lt; <span class="stringliteral">&quot;Done reading devtest examples.&quot;</span> &lt;&lt; endl;
<a name="l00254"></a>00254 
<a name="l00255"></a>00255   <span class="keywordflow">if</span> (devtest_examples.size() == 0) {
<a name="l00256"></a>00256     cerr &lt;&lt; <span class="stringliteral">&quot;Could not read any devtest examples.  Exiting.&quot;</span> &lt;&lt; endl;
<a name="l00257"></a>00257     <span class="keywordflow">return</span> -1;
<a name="l00258"></a>00258   }
<a name="l00259"></a>00259 
<a name="l00260"></a>00260   <span class="keyword">typedef</span> <a class="code" href="classreranker_1_1_collection_candidate_set_iterator.html" title="An implementation of the CandidateSetIterator interface that is backed by an arbitrary C++ collection...">CollectionCandidateSetIterator&lt;vector&lt;shared_ptr&lt;CandidateSet&gt;</a> &gt; &gt;
<a name="l00261"></a>00261       CandidateSetVectorIt;
<a name="l00262"></a>00262 
<a name="l00263"></a>00263   istream *model_filenames_stream =
<a name="l00264"></a>00264       using_model_filenames_file ?
<a name="l00265"></a>00265       <span class="keyword">new</span> ifstream(model_filenames_file.c_str()) : &amp;cin;
<a name="l00266"></a>00266 
<a name="l00267"></a>00267   <a class="code" href="classreranker_1_1_model_reader.html" title="Knows how to create Model instances that have been serialized to a file.">ModelReader</a> model_reader(1);
<a name="l00268"></a>00268   <span class="keywordflow">while</span> (getline(*model_filenames_stream, model_file)) {
<a name="l00269"></a>00269     cerr &lt;&lt; <span class="stringliteral">&quot;Evaluating model \&quot;&quot;</span> &lt;&lt; model_file &lt;&lt; <span class="stringliteral">&quot;\&quot;.&quot;</span> &lt;&lt; endl;
<a name="l00270"></a>00270     shared_ptr&lt;Model&gt; model =
<a name="l00271"></a>00271         model_reader.Read(model_file, compressed, use_base64);
<a name="l00272"></a>00272     model-&gt;set_use_weighted_loss(use_weighted_loss);
<a name="l00273"></a>00273     CandidateSetVectorIt devtest_examples_it(devtest_examples);
<a name="l00274"></a>00274     model-&gt;NewEpoch(); <span class="comment">// sets epoch to 0</span>
<a name="l00275"></a>00275     cout &lt;&lt; model-&gt;Evaluate(devtest_examples_it) &lt;&lt; endl;
<a name="l00276"></a>00276 
<a name="l00277"></a>00277     <span class="comment">// Decompile all features in devtest examples (will do nothing if there</span>
<a name="l00278"></a>00278     <span class="comment">// were no symbolic features to begin with; see &quot;dont_force&quot; below).</span>
<a name="l00279"></a>00279     devtest_examples_it.Reset();
<a name="l00280"></a>00280     <span class="keywordflow">while</span> (devtest_examples_it.HasNext()) {
<a name="l00281"></a>00281       <a class="code" href="classreranker_1_1_candidate_set.html" title="A class to hold a set of candidates, either for training or test.">CandidateSet</a> &amp;candidate_set = devtest_examples_it.Next();
<a name="l00282"></a>00282       <span class="keywordtype">bool</span> dont_force = <span class="keyword">false</span>;
<a name="l00283"></a>00283       candidate_set.<a class="code" href="classreranker_1_1_candidate_set.html#acf9fb683cb0435f29188de9218941bca" title="Decompiles any non-symbolic features in the candidates in this candidate set.">DecompileFeatures</a>(model-&gt;symbols(), <span class="keyword">true</span>, <span class="keyword">true</span>, dont_force);
<a name="l00284"></a>00284     }
<a name="l00285"></a>00285   }
<a name="l00286"></a>00286   <span class="keywordflow">if</span> (using_model_filenames_file) {
<a name="l00287"></a>00287     <span class="keyword">delete</span> model_filenames_stream;
<a name="l00288"></a>00288   }
<a name="l00289"></a>00289 }
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